CVE-2023-39666: D-Link Dir-842 Firmware

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

D-Link DIR-842 fw_revA_1-02_eu_multi_20151008 was discovered to contain multiple buffer overflows in the fgets function via the acStack_120 and acStack_220 parameters.

Affected products

• D-Link Dir-842 Firmware: version 1.05b02 only

Published 2023-08-18. Last modified 2026-06-17.